and maria theresa, a president and c.e.o. a voto latino and msnbc contributor. thank you for being here. >>> let me start with you, what can you say about this tape. classic joe biden yesterday. what do you make of him? >> he's real. authentic. comfortable with himself. and, combined with that, he's extraordinarily effective. i think he's arguably the most effective vice president in american history. it's not just what he did on the fiscal cliff deal. it's what he did at the end of 2010 in terms of extending the tax cuts and getting unemployment compensation through and the payroll tax through. it's the influence he's had on afghanistan policy and iraq policy where we're getting out of those wars. it's the way he campaigned and the way he related to people in the last election. i think that, you know, look, hillary clinton is a formidable obama th obama that skal. i think some times people forget throughout history no incumbent vice president has been denied the nomination of his party since 1952. >> wow, well let me ask you following up on that, maria, do you